the ronald reagan building. our andrea mccarren at today's announcement joins us live with details. lots of people waiting for this, andrea. >> reporter: that's right. you have to enjoy it now without the scaffolding because the repair work here could take as long as 18 months. web cameras will be installed so we can all keep track of the progress. >> it is beautiful. i'm glad it didn't fall down. >> reporter: barbara and jerry haynes snapped photos of a scaffolding free washington monument while they city could. >> we knew there was -- still could. >> we knew there was damage from the earthquake. >> i said wow. i have to say this registered 7.4 on my richter scale. >> reporter: now two men who each visited the washington monument as children are now leading a team that will repair it. >> thrilled to death. we're very thrilled. in many ways it's one of those signature projects as an engineer, as a construction man, it's something you wait your life for. >> reporter: scaffolding will go up within the next two months with the same design used for the monument restoration in 2000. >> i'